For a research project on time management, Yuri needs to calculate how many hours the average high school student spends in school each year.

c8h10 is your answerr

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.